Spring chock or buffer.



Nu. 678,53|. Patented l'uly I6, I90I. 0. ALBERT.

SPRING CHUCK 0R BUFFER.

(Application led In. 6. 1901.) (un model.)

.mmunlllllllll UNITED STATES ATENT Fries,

CRANE COMPANY,

OF SAME PLACE.

SPRING CHOCK-OR BUFFER.

SPEGIFIGATIGN fori/11mg* part of Letters :Patent No.V 678,531, dated July 1 6, 1901.

Application iiled March 6, 1901.

To a/ZZ whom. it may concern.-

Be it known that I, OTTO ALBERT, a citizen of the UnitedStates, residing at Muskegon, in the county of Muskegon and State of Michigan, have invented a new and useful Spring Chock or Buffer, of which the following is a specification.

This invention relates to spring chocks or buffers.

The object of theinvention is to provide a simple and efficient construction of spring chocks or buffers.

Theinvention consists, substantially,in the construction, combination, location, and arrangement, all as will be more fully hereinafter set forth, as shown in the accompanying drawings, and finally pointed out in the appended claims.

Referring to the accompanying drawings, and to the various views and reference-signs appearing thereon, Figure 1 is a View in side elevation, parts being broken off and parts in Vertical section, of a spring chock or buffer embodying the principles of my invention. Fig. 2 is a similar view showing a modified construction. Fig. 3 is a View in side elevation,showing the application' of my invention to electric cranework.

In the drawings reference-sign A designates a block or casting in the form of a bell- 'crank lever Apivotally mounted at the angle thereof, one arm of said lever arranged to project into position to be engaged by or to receive the impact of a wheel B or other suitable or convenient part of the truck or carriage. The relative movement of the other arm of said lever is arranged to be yieldingly opposed by a spring to secure a buffer effect.

C designates a supporting beam or girder; D, a track-rail thereon, upon which the truck or other carriage operates. The casting A is in practice pivotally connected or secured at the angle thereof, as at E, at a point adjacent to the end of the rail or other limit of movement of the truck or carriage. The spring arrangement for yieldingly resisting the rocking movement of one arm of the bellcrank lever may be varied in many different Ways. For instance, and in the form shown in Fig. l, a rod F is pivotally mounted or otherwise suitably connected, as at G, to sup- Slerial No. 50,074. (No model.)

porting girder or beam C or to a block or casting H, secured thereto, and is arranged to project loosely through an Opening in the horizontal arm of the bell-crank lever, and a spring J is interposed between said horizontal arm and a nut or block K, carried by the end of said rod. The operation of this construction is as follows: When the vertical member or arm of the bell-crank lever re- 6o ceives the impact of the wheel or other part of the truck or carriage, the bell-crank-shaped casting or block A is rocked about its pivot E and in a direction to effect a compression of.spring J between the horizontal arm or member of the bell-crank lever and the nut or block K, the compression of said spring yieldingly opposing such rocking movement of the block or casting A.

The construction shown in Fig. 2 is simila`r`-7o to that above described, except that the rod F is connected to move endwise with the rocking movement of the bell-crank-shaped block or casting A, and the spring J is interposed between a nut or block K', carried 75 by said rod and the girder or beam C, the rod F being provided with a head G', arranged to operate in a curved seat (indicated at L) in the horizontal arm of the bell-crank lever to accommodate for the rocking movement of 8o said arm. The operation of this form of my invention is as followsrWhen the upright member or arm of the bell-crank-shaped lever receives the impact of the wheel orother part of the moving frame or truck,said bellcrank lever is rocked, thereby moving rod F endwise and effecting a compression of spring J between the block or nut K and. the supporting girder or beam C.

Many changes and variations in the de- `9o tails of construction and arangement would readily occur to persons skilled in the art and still fall within the spirit and scope of my invention. I do not desire, therefore, to be limited or restricted to the exact .construction shown and described; but,

Having now set forth the object and nature of my invention and various constructions embodying the principles thereof, what I claim as new and useful and of my own in- Ioo vention, and desire to secure by Letters Patent, is-

l. In a spring stop orbulfer, ablock or casting in the form of a bell-crank lever pivotally mounted at the angle thereof, one ofthe arms of said'leverbeing arranged to project into the path of the moving part to be arrested to form a stop therefor, a rod arranged to engage the other arm of said lever, and a spring carried by said rod for yieldingly opposing the rocking movement of said lever in one direction, as and for the purpose set forth.

2. The combination of asupporting girder orbeam, a track-rail mounted thereon, a block or casting in the form of a bell-crank lever pivotally mounted at the angle thereof adjacent to the end of said rail, one arm of said lever arranged to project into the path of the moving part to be arrested to form a stop therefor, a rod arranged to engage the other arm of said lever, and a spring carried by zo said rod and interposed between said arm and said rod, as and for the purpose set forth.

In witness whereof I have hereunto set my hand, this 28th day of February, 1901, in the presence of thesubscribing Witnesses.

OTTO ALBERT.

Vitnesses:

P. J. KINPERS, J L. HAGA. 

